Camp Pendleton-Based Marines Killed in Action

The 27-year old infantry officer from Picayune, Miss. was killed while conducting dismounted combat operations, according to a Department of Defense news release.

Donnelly was on his first combat deployment.

His personal service awards include the Purple Heart, Combat Action Ribbon, National Defense Service Medal, Global War on Terrorism Service Medal, Korean Defense Service Medal, and Afghanistan Campaign Medal, according to the release.